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Mathematics Questions and Answers November 07, 2021

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Solve the following differential equation d2y/dx2=6 x

simplify the expression x^2+3x-28/x^2-7x+12 show me how you got the answer

If AT is the perpendicular-bisector of CF , then which is m RCN ? http://prntscr.com/ev81kr 54 46 44 36

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#25 How many pounds of not selling for $12 per pound and reasons selling for six dollars per pound should a person combined to obtain 120 pounds of trail mix selling for eight dollars per pound? The person would need how many pounds of nuts selling for $12? The person would need how many pounds of reason selling for six dollars

Q32. The checkbook balance of Sunfresh, Inc. is $6,917.63. The bank statement shows a balance of $8,737.35. The bank statement showed interest earned in the amount of $59.60, a service charge of $37.25, and an outstanding deposit of $2,848.89. Outstanding checks totaled $837.38. The bookkeeper noticed the collection of a note by the bank for

Use the formula for simpleinterest, I=Prt, to find the indicated quantity. I=$ 150 ; P=$ 5000 ; r= 4 %; t=? t=______ year(s) (Simplify your answer. Type a integer or adecimal.)

This is a very dense problem. Can anyone help me understand what it's asking of me? \f
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Find each of the following for the functions f(x)=x22 and g(x)=x2+2. (a) (fg)(2)= (b) (fg)(x)= (c) (fg)(x)= (Simplify youranswer.)

Need assistance with this problem. Thanks you in advance for your help Factor f(x) into linear factors given that k is a zero of f(x). f(x)=3x3 + 2x2 -53x+60; k=3 f(x) = D (Factor completely.)
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Calculatethe 95% Confidence interval for the true difference of mean listing prices between Hummers from LA and NY?Input your answers for the lower bound, and upper bound.

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What is the clever substitution method that is used to reduce quadratic or polynomial equations

Find the particular antiderivative of the following derivative that satisfies the given condition. A.) dy/dx = 6x -2 +7x -1 -1; y(1)=2 B.) dx/dt = 2e t -3; x(0)=5

See attached and answer for both parts--Thank you for your help Find AB and BA, if possible. (If not possible, enter IMPOSSIBLE in any single blank.) \"[1 '3] ['1 3] 11 AB: II ll BA: ll
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Describe a number of business ventures. A company that manufactures small canoes has a fixed cost of $18,000. It costs $20 to produce each canoe. The selling price is $80 per canoe. (In solving this exercise, let x represent the number of canoes produced and sold.) For this exercise, a. Write the cost function, C. b. Write the revenue function, R.

Decision Trees The Figure in P10-40 below has probabilities after each chance node and PW values for each terminal node. What decision should be made? What is the expected value

Find all vertical asymptotes and sketch of the graph near each asymptote. f left parenthesis x right parenthesis equals StartFraction x plus 3 Over x squared minus 5 x plus 4 EndFraction f(x)=x+3x25x+4

1.Solve the polynomial equation P ( x ) = 0. (Enter your answers as a comma-separated list.) P ( x ) = x 4 + 34 x 2 + 225 2.Find a polynomial function f with real coefficients of the indicated degree that possesses the given zeros. degree 2; 6 + 3 i

can you explain how to get the answer? A motorcycle breaks down and the rider has to walk the rest of the way to work. The motorcycle was being driven at 45mph, and the rider walks at a speed of 6 mph. The distance from home to work is 25 miles, and the total time for the trip was 2 hours. How far did the motorcycle go before if broke down?

Find at least two examples of objects in nature that, like broccoli, display self-similarity at different scales. Next, describe your thoughts regarding fractals in nature.

Identify a23 and a11, if possible. [1 -1 4] [-2 6 -3] Select the correct choice belowand, ifnecessary, fill in the answerbox(es) to complete your choice. A. a23 ____ and a11 =_____ B. a23=____ and a11 does not exist. C. a 23 does not exist and a11 =_____. D. a23 does not exist and a11 does not exist.

Three people pool their money to buy 31 shares of stock. The amount each person contributes is shown in the table. Use Adams's method to apportion the shares of stock. (Hint: Find the standard divisor. A modified divisor that is greater than this standard divisor will work.) Investor A $850.00 Investor B $660.00 Investor C $490.00. Need number of

4) Solve the equation by clearing decimals first. Show the check of your answer in the original equation. -6.4x= 23.4+5.3x

Section 4.2 A contractor builds two types of homes. The Carolina requires one lot, $160,000 capital, and 160 worker-days of labor, whereas the Savannah requires one lot, $240,000 capital, and 160 worker-days of labor. The contractor owns 300 lots and has $48,000,000 available capital and 43,200 worker-days of labor. The profit on the Carolina is

The questions are attached as a file. Thank you for helping me.

MTH 200 SL1 - Chapter 6 Assignment 4 2 2 1. Given f ( x, y, z) 3xy ln(4 xz ) 6 xyz 6 yz . Calculate the following: f x , f z , f xy f zx , 2. Find and classify all critical points of f ( x, y) x 3 y 3 6 xy

Use the power rule and the power of a product to simplify the expression. (-10x^3)^2

8 Christine went shopping and bought each of her five nephews a gift either a video costing $14.95 or a CD costing $16.88. She spent $80.54 on the gift. How many videos and how many CDs did she buy?she bought how many videos and how many CDs

Name:_____________________________________ Spreadsheet 1, Original Paper Appliances listed: 8 and 2 standby /6 Minimum 1 page, 350 words /2 CO2, wattage, and hours for each given /6 Correct format, normal margins, font size (11 or 12), spacing, indents /6 Excel formulas: kWh and lbs CO2 /5 Explanation of appliances, miles /5 Miles driven, gallons,

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1.Ten years ago, 53% of American families owned stocks or stock funds. A sample of 300 observations collected by the Investment Company Institute indicate that the percentage is now 46% ( The Wall Street Journal , October 5, 2012). Develop an appropriate hypothesis test such that rejection of will support the conclusion that a smaller proportion

1 Math 009 Quiz 4 Topics from Week 5 Dr. Cheryl Cleaves Spring 2017 Name________________________________ Instructions: The quiz is worth 100 points. There are 10 problems, each worth 10 points. Your score on the quiz will be converted to a percentage and posted in your User Progress with comments. This quiz is open book and open notes, and you may

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14. Determine the slope for the equation of the line -x - 2y =2. a. 2 b.-1/2 c.1/2 d. -2

Exercise 43. Create a Sage interactive that plots the vectors u = c1[1,2], v = c2[1,1/2] and their sum for values of c1 and c2 given by sliders. Also, the interactive should plot a specified goal point (this can be hard-coded or supplied as input), a point at the head of u + v and the coordinates of this point. Use this interactive to approach the

DIMES AND QUARTERS Annette has five more dimes than quarters. The total amount of money she has is $3.30. How many of each coin does she have? Guss and Checks

You are taking a multiple-choice test that has five questions. Each of the questions has three answer choices, with one correct answer per question. If you select one of these three choices for each question and leave nothing blank, in how many ways can you answer the questions? 198 ways 290 ways 243 ways 364 ways

Consider a discrete random variable X with the probability mass function fx given by fx(-7) = 0.19 fx(-3) = 0.1 fx(-1) = 0.71 Find the values below Accuracy must be 3 decimal places at least. (More is OK.) (A)Find E(X)(the expectation of X) (B)Find Var(X)(the variance of X) (C)Find E(-0.7*X2+3.3*X+1)(expectation of-0.7*X2+3.3*X+1)

Graph the system below and write its solution. Note that you can also answer " No solution" or "infinitely many" solutions \f
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Research online guidelines for the slopes of some object. Examples include: wheelchair ramps, roofs, buildable land and embankments. You may use one of these or find another object with slope guidelines. Write a brief summary discussing these guidelines and any other interesting findings such as problems that resulted from guideline

given the function f(x)=(x-1)(x+7)(x-3) its f-intercept is ___________________ its x intercepts are _______________________

The radius r of a circle is increasing at a rate of 3 inches per minute. (a) Find the rate of change of the area when r = 7 inches. (b) Find the rate of change of the area when r = 24 inches.

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Bob drove from home to work at 75 mph. After work the traffic was heavier, and he drove home at 60 mph. His driving time to and from work was 1 hour and 21 minutes. How far does he live from his job? Thanks

what is the difference between p and np charts? C and U charts?

A coin is tossed 26 times. In how many outcomes do exactly 16 heads occur? 2. In how many outcomes do at least 2 tails occur? 3.An electronics store receives a shipment of 37 graphing calculators, including 5 that are defective. Eight calculators are chosen at random to be sent to a local high school a. How many total selections can be made? b.How

Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 12 . Use the empirical rule to determine the following. (a) What percentage of people has an IQ score between 64 and 136 ? (b) What percentage of people has an IQ score less than 88 or greater than 112 ? (c) What percentage of people has an IQ score

Given the following functions f(x) and g(x), solve f over g(4) and select the correct answer below: f(x) = 4x 4 g(x) = x 1 20 4 4 one fourth

1. A 250 word description of your research of your quote as yourlastnamefirstname_essay_A4_CCT250.doc Marked: /5
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Controlled variables that are intentionally manipulated to cause changes between groups are known as Group of answer choices dependent variables independent variables extraneous variables physiolgical variables

Stacie is a resident at your medical facility where you work. You are asked to chart the amount of solid food that she consumes. For the noon meal today she ate 1/2 of a 3-ounce serving of meatloaf, 3/4 of her 3-ounce serving of mashed potatoes, and 1/3 of a 2-ounce serving of green beans. How many ounces of solid food did Stacie consume? What are

Which of these is an equation of one of the asymptotes of the following function? (Show all work.) f ( x )=6tan(4 x ) a. x = 1/32 b. x = 1/2 c. x = /2 d. x = 1/8 e. x= /8 f. None of the above.

Polynomial Division and the Remainder Theorem C reate a quadratic polynomial function f(x) and a linear binomial in the form (x a). Part 1. Show all work using long division to divide your polynomial by the binomial. Part 2. Show all work to evaluate f(a) using the function you created. Part 3. Use complete sentences to explain how the remainder

Last semester, Jim earned an A in his 4-credit MATH 128 class, a B+ in his 5-credit ENG 152 class, a C- is his 2-credit COM 210 class, and a A- in his 3-credit HIST 151 class. What was his GPA for the semester? Be sure to use the following grade values in your calculation. Grade Value Grade Value A 4.0 C 2.0 A- 3.7 C- 1.7 B+ 3.3 D+ 1.3 B 3.0 D 1.0

In repeated-measures ANOVA, the assumption of independence is: What? Always met, unimportant, always violated, or tested using the Levene's test?

Each month, an American household generates an average of 11 pounds of newspaper for recycling. Assume that the continuous random variable (that measures pounds of newspaper per household) is approximately normally distributed with a standard deviation of 4 pounds of newspaper generated. (a) If a household is selected at random, compute the

A polling organization contacts 2407 teenagers who are 16 to 19 years of age and live in North America and asks whether or not they had driven a car on a highway recently. What is the population in the study? O A. Teenagers who are 16 to 19 years of age and have driven a car on a highway. O B. Teenagers who are 16 to 19 years of age and live in

MATH 107 QUIZ 5 NAME: _______________________________ 1. Which of these graphs represent a one-to-one function? (A) (B) (C) (D) 2. The students in history class took a final exam and then took equivalent forms of the exam at monthly intervals thereafter. The average score S(t), as percent, after t months was found to be given by the function: S(t)

Looking for the mean to this question. Round to 3 decimal places AS NEEDED. \f
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One type of plant root splits 4 times while growing in the ground. The number of new roots after each split can be modeled by the function f(x)=3x, where x is the number of times the root splits.

Hi! I do not understand how to use differentiability of power series to find the sum with the following: f(x)= s u m ((x-1)^n)/n I have tried to take the derivative, but I do not end up with a power series... Thank you!

How many solutions?? The system of equations given by x 2y + 6z = 4 ~6x + 6y 17z = 30 7.x 13y + 39z = 29 has A one solution(s). 0 Three distinct solutions. A innite solution(s). A no solution(s)
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A flagpole has a height of 64 yards. It will be supported by threecables, each of which is attached to the flagpole at a point 4 yards below the top of the pole and attached to the ground at a point that is 32 yards from the base of the pole. Find the total number of yards of cable that will be required

Use implicit differentiation to find the value of dy/dx at the point (1,9) y? :2 +JL}"- the U56 Implicit elerentletleh te find the value [if E An equetleh at the tangent llhe tn the curve at the point (1, 9} Is at the paint {1,9}. J'=_
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Door prizes for entrants in a young inventors competition are $100, $50, $25 and $10. In how many ways can the door prizes be awarded if there are 23 entrants? A. State whether the problem involves a permutation or a combination.B. Evaluate the answer. Six tablet computers will be selected from a batch of 50 for quality control testing. In how

Solve the following problem. n=16; i =0.036; PMT=$201; PV=? PV=$____ (Round to two decimalplaces.)

In need of work as well as answers for the following word problems. Thanks so much! 1. Venus and Serena measured a tennis court and found that it was 42 feet longer than it was wide. it had a perimeter of 228 feet. What were the length and the width of the tennis court? 2. The length of a rectangle is 7 feet more than the width. If the length were

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How do you calculate the list price based on the rate of discount or amount of discount? Explanation of how to... Example Associated Terms: Associated Formulas or Calculator Functions: There is no documents or missing information, it is a question Please answer it would help me a lot!

Hello I am needing assistance in solving algebraic equation Let P(x)=2x^2-2x+5.

The blade on a typical table saw rotates at 3950 revolutions per minute. Calculate the linear velocity in miles per hour of one of the teeth at the edge of the 13 inch diameter blade. The linear velocity is miles per hour. (Round to the nearest tenth asneeded.)

Johnny is designing a rectangular poster to contain 12 in^2 of printing with a 3 -in margin at the top and bottom and a 4 -in margin at each side. What overall dimensions will minimize the amount of paper used? Please show all work

Q33. Find a bound on the real zeros of the polynomial function f(x) = x 4 - 8x 2 - 9. a. -17 and 17 b. -9 and 9 c. -18 and 18 d. -10 and 10

There are four (4) problems in this sixth (6th) Quiz. Problems 1 and 2 are worth 40 points each, for a total of 80 points for the two problems. Problems 3 and 4 are worth 10 points each, for a total of 20 points. Quiz total is 100 points. Please use a keyboard or editor where possible. 1. Calculate the Mean, Median and Mode of the following data

In this unit what topics were of most interest and usefulness to you, why? Share a problem from a topic you thought was interesting or useful (Dont include the solution). In this unit what topics did you find difficult, why?Share an example problem that you struggled with this week (Dont include the solution). Unit 6 Topics: Find Roots without a

Descriptive statistics do NOT permit: A) drawing conclusions beyond the data. B) objectivity in the data. C) description of the data. D) analysis of the data

Q30. Solve the inequality algebraically. Express the solution in interval notation. (x - 6)/(x + 3) > 0 a. (-, -3) (6, ) b. (-, -3) c. (6, ) d. (-3, 6)

Factor the polynomials of -a3-100a from the textbook elementary and intermediate algebra.

Question 21 For what value of a is the following true? log(r + 14) = loga + log 14. Your answer is C
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The exponential function V (x) = 25[4/5]^x is used to model the value of a car over time. Use the properties of logs and/or exponents to rewrite the model in the form V (t) = 25e^kt

let2by2matrixA=[2 1 (first row) , find all fixed points of the matrix A n 2 3 ](second row)

Hello,I need help with some math homework,.. r varies directly as s find r when s=8 and k =10

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4) Solve the equation by clearing decimals first. Show the check of your answer in the original equation. -2.4w -8.24= 8 - 5.3w

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One major requirement for understanding fractional parts of a whole is... 1. Proper names of fractional parts should not be enforced too early. 2. Equivalent values may not exist for every fraction. 3. The whole must be made up of equal sized parts. 4. Congruency is necessary to have fractional parts.

1)Sreya bought shoes for $37.57 and x pairs of socks for $1.95 each. Which expression shows the total money spent? 1) 37.57x+1.95 2) 37.57x+1.95x 3) 37.57+1.95+x 4)37.57+1.95x

I am having trouble with this equation. We are studying matrices. To manufacture an automobile requires painting, drying, and polishing. Mega Motor Company produces three types of cars. The required painting, drying and polishing times for each type of car are shown in the table below. If the company has 240 hours for painting, 69 hours for

'rr ' rm! 5) of a sandbag 1.75 s eer it is released from a hot-air balloon that is stationary fn the al' ertls

Examine in your life when you see percentages. What are these percentages describing? What are they trying to get you to believe? How can you use percentages to describe changes in your life?

19. For a school lunch program, fruits can be bought in lots of 42, small boxes of milk can be bought in boxes of 30, and sandwiches can be bought in packages of 18. If each student receives one fruit, one box of milk, and one sandwich, what is the least number of students that can be served so that there are no leftover fruits, milk, or

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